forked from jvasile/Planeteria
-
Notifications
You must be signed in to change notification settings - Fork 0
/
planet.py
executable file
·355 lines (305 loc) · 12.8 KB
/
planet.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
import os, sys, time
import config as cfg
from config import opt
import logging
log = logging.getLogger('planeteria')
import feedparser
import simplejson as json
from urllib import urlopen
from util import smart_str, parse_updated_time, our_db, write_file, html2xml, just_body, tidy2xhtml
import templates
import dateutil.parser
def strip_body_tags(text):
if text.startswith('<body>'):
text = text[6:]
if text.endswith('</body>'):
text = text[:-7]
return text
def to_json(python_object):
if isinstance(python_object, time.struct_time):
return {'__class__': 'time.asctime',
'__value__': time.asctime(python_object)}
#if isinstance(python_object, feedparser.CharacterEncodingOverride):
# return {'__class__': 'basestring',
# '__value__': str(python_object)}
return {'__class__': 'basestring',
'__value__': str(python_object)}
#raise TypeError(repr(python_object) + ' is not JSON serializable')
class Planet():
def __init__(self, *args, **kwargs):
if 'direc' in kwargs:
with our_db('planets') as db:
self.load_dict(db[kwargs['direc']])
elif isinstance(args[0], basestring):
self.load_json(args[0])
elif isinstance(args[0], dict):
self.load_dict(args[0])
else:
self.load_dict(kwargs)
def load_dict(self, h):
if 'version' in h and h['version'] != cfg.DATA_FORMAT_VERSION:
sys.stderr.write("Planet data file is version %s. This is planeteria version %s. Please upgrade or downgrade to match versions.\n" %
(h['version'], cfg.DATA_FORMAT_VERSION))
sys.exit(-1)
self.direc = h['direc']
self.name = h['name']
self.user = h['user']
self.email = h['email']
self.password = h['password']
if 'last_downloaded' in h:
self.last_downloaded = h['last_downloaded'] or 1
else:
self.last_downloaded = 0
if 'sidebar' in h:
self.sidebar = h['sidebar']
else:
self.sidebar = ''
try:
self.last_config_change = h['last_config_change']
except KeyError:
self.last_config_change = 1
#self.feeds = [Feed(url=f) for f in h['feeds']]
#print self.feeds[0].dump()
self.feeds = h['feeds']
def load_json(self, j):
j = unicode(j, errors='replace')
self.load_dict(json.loads(j, strict=False))
def save_cache(self, cache, url):
with our_db('cache') as db:
#db[url.encode("utf-8")] = cache
db[url] = cache
def save(self, update_config_timestamp=False, ignore_missing_dir=False):
output_dir = os.path.join(cfg.OUTPUT_DIR, self.direc)
if not ignore_missing_dir and not os.path.exists(output_dir):
log.info("Can't find %s directory. Skipping save." % output_dir)
return
log.debug("Saving the planet! %s" % self.direc)
if update_config_timestamp:
self.last_config_change = time.time()
with our_db('planets') as db:
#db[self.direc.encode("utf-8")] = self.serializable()
db[self.direc] = self.serializable()
def serializable(self):
return {'direc':self.direc,
'name':self.name,
'user':self.user,
'email':self.email,
'password':self.password,
'feeds':self.feeds,
'last_downloaded': self.last_downloaded,
'sidebar':self.sidebar,
'last_config_change':self.last_config_change,
'version':cfg.DATA_FORMAT_VERSION}
def json(self):
return json.dumps(self.serializable(), sort_keys=True, indent=3)
def update_feed(self, url):
"""Download feed if it's out of date"""
force_check = opt['force_check']
with our_db('cache') as db:
try:
#cache = db[url.encode("utf-8")]
cache = db[url]
except KeyError:
log.info("Can't find %s in cache. Making default." % url)
cache = {'data':'', 'last_downloaded':0, 'dload_fail':False}
force_check = True
except json.decoder.JSONDecodeError, e:
log.debug("Json error on updating url %s: %s" % (url, e))
cache = {'data':'', 'last_downloaded':0, 'dload_fail':False}
force_check = True
if not opt['force_check'] and time.time() < cache['last_downloaded'] + cfg.CHECK_INTERVAL:
log.debug("Cache is fresh. Not downloading %s." % url)
return
try:
log.debug("Reading %s" % url)
parsed = feedparser.parse(url.strip())
cache['dload_fail'] = False
except:
cache['dload_fail']=True
self.save_cache(cache, url)
return
if parsed and parsed.entries: cache['data'] = parsed
cache['last_downloaded'] = time.time()
with our_db('cache') as db:
try:
#db[url.encode("utf8")] = cache
db[url] = cache
except TypeError, e:
log.debug("Can't save feed (%s): %s" % (url, e))
cache['error'] = str(e)
self.save_cache(cache, url)
return
log.debug("Saved downloaded feed for %s" % url)
def update(self):
output_dir = os.path.join(cfg.OUTPUT_DIR, self.direc)
if not os.path.exists(output_dir):
log.info("Can't find %s directory. Skipping update." % output_dir)
return
print "Updating %s." % self.direc
for f in self.feeds:
self.update_feed(f)
self.last_downloaded = time.time()
self.save()
def generate(self):
output_dir = os.path.join(cfg.OUTPUT_DIR, self.direc)
if not os.path.exists(output_dir):
log.info("Can't find %s directory. Skipping generate." % output_dir)
return
print "Generating %s" % output_dir
lopt = {'owner_name':self.user,
'owner_email':self.email,
'title':self.name,
'feed_url':"%s%s/atom.xml" % (cfg.BASE_HREF, self.direc),
'opml_url':"%s%s/opml.xml" % (cfg.BASE_HREF, self.direc),
'feed_page':"%s%s/" % (cfg.BASE_HREF, self.direc),
'updated':time.strftime("%Y-%m-%dT%H:%M:%SZ",time.gmtime(self.last_downloaded)),
'date':time.strftime("%Y-%m-%d %H:%M:%S",time.localtime()),
'datemodified':time.strftime("%a, %d %b %Y %H:%M:%S GMT",time.gmtime(self.last_downloaded)),
}
## Get the entries and sort them
entries = {}
lopt['Feeds']=[]
for url, f in self.feeds.items():
with our_db('cache') as db:
if not url in db:
continue
try:
#cache = db[url.encode("utf-8")]
cache = db[url]
except json.decoder.JSONDecodeError, e:
log.debug("Json error on generating url %s: %s" % (url, e))
continue
parsed = cache['data']
if not parsed or not parsed['entries']:
log.debug("No data for %s. Skipping." % url)
continue
for e in parsed['entries']:
e['name'] = f['name']
e['links'] = parsed['feed']['links']
e['feed_name'] = smart_str(parsed['feed']['title'], encoding='ascii', errors='ignore')
e['channel_title_plain'] = e['feed_name']
e['channel_image'] = f['image']
e['channel_name'] = e['feed_name']
if 'subtitle' in parsed['feed']:
e['subtitle'] = parsed['feed']['subtitle']
else:
e['subtitle']=''
if parsed['feed']['link'].endswith('/'):
e['channel_link'] = e['feed_id'] = parsed['feed']['link']
else:
e['channel_link'] = e['feed_id'] = parsed['feed']['link']+'/'
if 'updated' in e:
e['date'] = dateutil.parser.parse(e['updated']).strftime("%Y-%m-%d %H:%M:%S")
e['updated'] = dateutil.parser.parse(e['updated']).isoformat()
elif 'published_parsed' in e:
e['date'] = dateutil.parser.parse(e['published_parsed']['__value__']).strftime("%Y-%m-%d %H:%M:%S")
e['updated'] = dateutil.parser.parse(e['published_parsed']['__value__']).isoformat()
else:
e['date'] = e['updated'] = '1970-01-01T00:00:00Z'
# We really should assume the blog post is from when it is first seen for lack of a better option
#e['date'] = e['updated'] = datetime.now().strftime("%Y-%m-%dT%H:00Z")
log.debug("No updated or date field in entry for %s" % url)
#pretty_print_dict(e)
if not 'id' in e: e['id'] = e['link']
if not 'link' in e: e['link'] = e['id']
if not e['id'] and not e['link']:
log.debug('%s has neither id nor link' % e['feed_name'])
entries[e['id']] = e
## OPML template stuff and sidebar stuff
feed_data = {}
for l in parsed['feed']['links']:
if not 'type' in l:
l['type']='text/html'
if l['rel']=="self":
feed_data['url'] = l['href']
elif l['rel']=="alternate":
if 'href' in l:
feed_data['link'] = l['href']
feed_data['author'] = f['name']
feed_data['title'] = smart_str(parsed['feed']['title'], encoding='ascii', errors='ignore')
feed_data['image'] = f['image']
if 'feedurl' in f:
feed_data['url'] = f['feedurl']
else:
log.error("%s is missing the feedurl key. Falling back to url" % url)
feed_data['url'] = f['url']
lopt['Feeds'].append(feed_data)
sorted_entries = sorted(entries.values(), reverse=True,
key=parse_updated_time)
for e in sorted_entries[:50]:
if not 'content' in e:
e['content_encoded'] = strip_body_tags(html2xml(tidy2xhtml(e['summary'])).strip())
elif e['content'][0]['value']:
e['content_encoded'] = strip_body_tags(html2xml(tidy2xhtml(e['content'][0]['value'])).strip())
else:
e['summary_encoded'] = 'N/A'
e['content_encoded'] = 'N/A'
continue
if not 'summary' in e:
e['summary'] = e['content'][0]['value']
e['summary_encoded'] = strip_body_tags(html2xml(tidy2xhtml(e['summary'])).strip())
lopt['Items'] = sorted_entries[:50]
mopt = dict(lopt.items()+opt.items() + self.__dict__.items())
# generate pages
templates.OPML(mopt).write(output_dir, "opml.xml")
templates.Atom(mopt).write(output_dir, "atom.xml")
templates.Planet_Page(mopt).write(output_dir, "index.html")
templates.Snippet(mopt).write(output_dir, "snippet.html")
def del_feed(self, url):
try:
del self.feeds[url]
except KeyError:
sys.stderr.write("Couldn't find feed %s\n" % url)
def import_opml(self, filespec):
log.info("Importing %s into %s" % (filespec, self.direc))
from xml.etree import ElementTree
with open(filespec, 'rt') as f:
tree = ElementTree.parse(f)
for node in tree.getiterator('outline'):
name = node.attrib.get('text')
url = node.attrib.get('xmlUrl')
if url:
if url in self.feeds:
self.feeds[url]['feedurl'] = url
if name: self.feeds[url]['name'] = name
else:
self.feeds[url]={'feedurl':url, 'name':name, 'image':''}
def delete_if_missing(self):
output_dir = os.path.join(cfg.OUTPUT_DIR, self.direc)
if not os.path.exists(output_dir):
with our_db('planets') as db:
del db[self.direc]
log.info("Deleted missing planet: %s" % self.direc)
def dump(self):
print self.json()
def dump_cache(self):
for url in self.feeds:
print url
with our_db('cache') as db:
cache = db[url]
print json.dumps(cache)
planets = []
def parse_options():
from optparse import OptionParser
parser = OptionParser()
parser.add_option("-i", "--import", dest="import_opml", help="import opml FILE", metavar="FILE")
parser.add_option("-d", "--dump", dest="dump_planet", help="dump planet", action="store_true", default=False)
parser.add_option("-c", "--cache", dest="dump_planet_cache", help="dump planet's cache", action="store_true", default=False)
(options, args) = parser.parse_args()
if len(args) >= 1:
global planets
planets.extend(args)
if options.dump_planet_cache:
for p in planets:
curr = Planet(direc=p)
print curr.dump_cache()
if options.dump_planet:
for p in planets:
curr = Planet(direc=p)
print curr.dump()
if options.import_opml:
for p in planets:
curr = Planet(direc=p)
curr.import_opml(options.import_opml)
if __name__ == "__main__":
parse_options()